English verb conjugation
COULD CRUNCH

Regular verb: crunch - crunched - crunched

Affirmation

Simple form	V-ing form
I could crunch you could crunch he could crunch we could crunch you could crunch they could crunch	I could be crunching you could be crunching he could be crunching we could be crunching you could be crunching they could be crunching
Perfect	V-ing perfect
I could have crunched you could have crunched he could have crunched we could have crunched you could have crunched they could have crunched	I could have been crunching you could have been crunching he could have been crunching we could have been crunching you could have been crunching they could have been crunching

Negation

Simple form	V-ing form
I couldn't crunch you couldn't crunch he couldn't crunch we couldn't crunch you couldn't crunch they couldn't crunch	I couldn't be crunching you couldn't be crunching he couldn't be crunching we couldn't be crunching you couldn't be crunching they couldn't be crunching
Perfect	V-ing perfect
I couldn't have crunched you couldn't have crunched he couldn't have crunched we couldn't have crunched you couldn't have crunched they couldn't have crunched	I couldn't have been crunching you couldn't have been crunching he couldn't have been crunching we couldn't have been crunching you couldn't have been crunching they couldn't have been crunching

Interrogative form

Simple form	V-ing form
could I crunch? could you crunch? could he crunch? could we crunch? could you crunch? could they crunch?	could I be crunching? could you be crunching? could he be crunching? could we be crunching? could you be crunching? could they be crunching?
Perfect	V-ing perfect
could I have crunched? could you have crunched? could he have crunched? could we have crunched? could you have crunched? could they have crunched?	could I have been crunching? could you have been crunching? could he have been crunching? could we have been crunching? could you have been crunching? could they have been crunching?

Interro-negative form

Simple form	V-ing form
couldn't I crunch? couldn't you crunch? couldn't he crunch? couldn't we crunch? couldn't you crunch? couldn't they crunch?	couldn't I be crunching? couldn't you be crunching? couldn't he be crunching? couldn't we be crunching? couldn't you be crunching? couldn't they be crunching?
Perfect	V-ing perfect
couldn't I have crunched? couldn't you have crunched? couldn't he have crunched? couldn't we have crunched? couldn't you have crunched? couldn't they have crunched?	couldn't I have been crunching? couldn't you have been crunching? couldn't he have been crunching? couldn't we have been crunching? couldn't you have been crunching? couldn't they have been crunching?